Home / 19,651.09-29,458.85-7,168.19

Finding the Fourth Proportional to 19,651.09, 29,458.85 and 7,168.19

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Solution

The fourth proportional to 19,651.09, 29,458.85 and 7,168.19 is: 10,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.09 : 29,458.85 = 7,168.19 : x
  2. Step 2: Convert to fraction form
    19,651.09/29,458.85 = 7,168.19/x
  3. Step 3: Cross multiply
    19,651.09x = 29,458.85 × 7,168.19
  4. Step 4: Simplify right side
    19,651.09x = 211,166,633.98
  5. Step 5: Solve for x
    x = 211,166,633.98/19,651.09
  6. Step 6: Final answer
    x = 10,745.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.